Product DetailsThe Bafang mid-drive BBS02 750w motor mounts in place of your bike's bottom bracket and replaces your bike's crankset and front derailleur if you have one. This is the newest Bafang 750w BBS02 mid drive motor kit, including version B motor and upgraded 25 amp controller with 9 IRFB3077 MOSFETs. The Bafang BBS02 kit comes with all necessary parts to convert just about any bike (must have 68-73mm bottom bracket) to an electric bike except the battery! We also sell the Complete Bafang BBS02 Mid-Drive Motor Kit with the battery, so you have everything you need to transform your bike into a high-powered electric bikew! The BBS02 750 watt motor kit is a high-performing, lightweight, quiet, fast, hill-climbing, well-engineered electric bike kit. Superior to hub motors, the mid drive motor kit feels just like a normal bike when pedaling since it can completely freewheel. The motor includes pedal assist sensors (PAS), so you can choose the power level of motor assistance that you would like while pedaling. Also, you can always overpower your designated PAS level with your throttle in order to achieve your desired speed and power.

Lightweight and powerful! (Motor weighs 9.5 pounds and whole kit with all parts will add ~13 pounds to your bike.

LCD Display provides information about speed, time, battery info and pedal assist power

Plug and play connections and installation

Powerful and affordable mid-drive conversion ebike kit that can convert most bikes to high power ebikes

Which Sprocket?

We offer the Bafang BBS02 kit with three sprocket options with different tooth sizes (44T, 48T and 52T).

44 tooth is the smallest option that will provide you with the most torque and it is the best option for hill-climbing ability.

48 tooth is a reliable middle of the ride option.

52 tooth is the largest option and will provide you with the highest top speed (~30mph) and it is recommended to be used mainly for street riding.

Will the Bafang BBS02 750W Motor Kit work with my bike?

These kits will only work on bikes with 68mm & 73mm bottom brackets, which is most bikes with the exception of fat bikes and beach cruisers. Please confirm the size of your bike’s bottom bracket before purchasing. Please visit our FAQ Page for information on how to measure your bike's bottom bracket.

If you still have questions after confirming your bike's bottom bracket size, about whether your bike is compatible with the kit, please send us an email with the year, make and model of your bike to info@bafangusadirect.com.

Installation

The Bafang motor conversion kit installation is a DIY project that requires no specialty expertise – simply install the parts, plug in the connectors and zip-tie (we include zip ties for free) the cables! The trickiest part of the install process is removing your bike’s existing parts, such as your bike's bottom bracket. If you are not interested in performing the install yourself, simply stop by your local bike shop, and they should easily be able to install the BBS02 kit for you.

All the tools that you will need for the install are typically found in most bike tool kits. The only tools that you will need for the install are:

Products typically ship within 1 business day after the order is placed. We don't want you to have to wait long to start enjoying your new ebike lifestyle! Delivery times will vary based upon where you live.

Shipping Method

Shipping is offered through FedEx Ground. All orders ship from California, USA with insurance, tracking, and signature confirmation. Once your order ships, you will be emailed a FedEx tracking number, so you can track the delivery shipment of your order.